82518028617 has 4 divisors (see below), whose sum is σ = 110024038160. Its totient is φ = 55012019076.

The previous prime is 82518028609. The next prime is 82518028631. The reversal of 82518028617 is 71682081528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82518028617 - 2³ = 82518028609 is a prime.

It is a super-3 number, since 3×82518028617³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82518028687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13753004767 + ... + 13753004772.

It is an arithmetic number, because the mean of its divisors is an integer number (27506009540).

Almost surely, 2^82518028617 is an apocalyptic number.

It is an amenable number.

82518028617 is a deficient number, since it is larger than the sum of its proper divisors (27506009543).

82518028617 is a wasteful number, since it uses less digits than its factorization.

82518028617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27506009542.

The product of its (nonzero) digits is 430080, while the sum is 48.

The spelling of 82518028617 in words is "eighty-two billion, five hundred eighteen million, twenty-eight thousand, six hundred seventeen".